trisestry.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 199 ms crawled 2026-06-02

CZ · 91.239.200.69 · AS60606 PRO-ZETA a.s.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Tři sestry
Description: Oficiální web kapely Tři sestry
Language: cs

Technology

Server: nginx
CMS: Next.js

Social

DNS records live

NS

ns.onebit.cz
ns.onebit.eu
ns.onebit.org

MX

0 trisestry-cz.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication partial

SPF: v=spf1 include:mailgun.org include:spf.protection.outlook.com mx a:cyberhost.octopus.cz ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-10 to 2026-08-08

Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://trisestry.cz/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff

Links to (16)

Linked from (8)